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General

  • Target

    05287fafd48a6a370de4dde870ccd684336237e85f99dafc1c1222cdb488a6a2.exe

  • Size

    727KB

  • Sample

    240509-bdhw9sca48

  • MD5

    7a15d01ce227993e0c57d7aad6d827f7

  • SHA1

    01e2c1c7fe9fe92b65e78a3f8b281839cf4d7ea6

  • SHA256

    05287fafd48a6a370de4dde870ccd684336237e85f99dafc1c1222cdb488a6a2

  • SHA512

    f3b25c511cabb79d24a315498e67369d91770da82288c5ba46a686125bdff68ca05cbda7444577a7b1566ca473399f893471ef514829327c6cba1ec3a98297a9

  • SSDEEP

    12288:/VniETpboDXj7O2klceKOe0GAF0dJmpyaZjo5ZqzMxad00On1Xv8mY4p36wRh9ad:d7bEunLRA/mpViuMwJ08n4p36w84vrs

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.activefreightpak.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    AFSPL**77**

Targets

    • Target

      05287fafd48a6a370de4dde870ccd684336237e85f99dafc1c1222cdb488a6a2.exe

    • Size

      727KB

    • MD5

      7a15d01ce227993e0c57d7aad6d827f7

    • SHA1

      01e2c1c7fe9fe92b65e78a3f8b281839cf4d7ea6

    • SHA256

      05287fafd48a6a370de4dde870ccd684336237e85f99dafc1c1222cdb488a6a2

    • SHA512

      f3b25c511cabb79d24a315498e67369d91770da82288c5ba46a686125bdff68ca05cbda7444577a7b1566ca473399f893471ef514829327c6cba1ec3a98297a9

    • SSDEEP

      12288:/VniETpboDXj7O2klceKOe0GAF0dJmpyaZjo5ZqzMxad00On1Xv8mY4p36wRh9ad:d7bEunLRA/mpViuMwJ08n4p36w84vrs

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Detect packed .NET executables. Mostly AgentTeslaV4.

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects executables packed with SmartAssembly

    • Detects executables referencing Windows vault credential objects. Observed in infostealers

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • Detects executables referencing many file transfer clients. Observed in information stealers

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks